LBL Archives and Records Office Nuclear Testing and Fallout Records Survey 1. NARA Accession Number ---- 2. LBL Accession Number 19-14-35 3. Location 5475E 4. Division/Department or Research Group RESEARCH MEDICINE & RADIATION BIOPHYSICS. Joseph G. Hamilton. 5. Description of Records a. Record Title Joseph G. Hamilton: Project 484 Reports. (Technical Administrative Files) b. Record Media TEX c. Dates 1946 - 1948 d. Size of Records - Cubic Feetee |. 7 NumberofUnits“:1-folder(10 pages). DimensionofRecords"= = | e. Arrangement No particular arrangement. - f. Security Classification Declassified 1974. g. Creating Individual or Organizational Unit Joseph G. Hamilton, Crocker Laboratory director. h. Series Description (Photocopied) reports and correspondence pertaining to AEC Project 48A on the use of fission products as radioactive poisons in warfare and potential sources of radiation injury from an atomic bomb. Dr. Hamilton's correspondents were Dr. Ernest 0. Lawrence, The Radiation Laboratory director, and Col. Kenneth D. Nichols, head of the Armed Forces Special Weapons Project. Dr. Hamilton was director of Metabolic Studies of Fission Products and Transuranic Elements, LBL. Original documents were transferred to Dr. Patricia Durbin-Heavey.